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When to hatch? IVF study tests best timing for embryo procedure

NCT ID NCT06377917

Knowledge-focused Sponsor: Reproductive Medicine Associates of New Jersey Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether performing assisted hatching on day 3 or day 5-7 of embryo development leads to better outcomes in IVF. Researchers will compare blastulation rates and embryo quality in 75 participants. The goal is to find the optimal timing for this common lab procedure.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Laser assisted hatching
What this could lead to
If successful, this could help doctors choose the best time to perform assisted hatching during IVF, potentially improving embryo development and pregnancy rates.
What could go wrong
This is a small, early-stage study focused on lab outcomes, not live births. The results may not lead to a clear change in practice, and individual results vary.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 75 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2026

Expected to finish

May 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 42 years

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria for participants: 1. Patients undergoing an IVF cycle with plan for subsequent FET of a single euploid embryo 2. \<4 2PNs prior to randomization 3. Female partners age \<42 years old at start of VOR cycle 4. Normal ovarian reserve: 1. AMH ≥ 1.2 ng/mL 2. AFC ≥ 8 3. FSH ≤ 12IU/L 5. BMI \<38 6. Patients who desire to transfer the best quality embryo for their embryo transfer. Exclusion Criteria for participants: 1. All patients who do not voluntarily give their written consent for participation 2. Patients with a prior failed IVF cycle - defined as no blastocysts 3. Patients with a history of more than one failed euploid embryo transfer 4. Donor oocyte cycles 5. Gestational Carriers 6. Male partner with \<100,000 total motile spermatozoa per ejaculate (donor sperm is acceptable) 7. Use of surgical procedures to obtain sperm 8. Communicating hydrosalpinges without a plan for surgical correct prior to frozen embryo transfer 9. Endometrial Insufficiency, as defined by a prior cycle with maximal endometrial thickness \<6mm,), or persistent endometrial fluid 10. Single gene disorders, chromosomal translocations, or any other disorders requiring a more detailed embryo genetic analysis than standard PGT-A

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Conditions

The condition(s) this trial relates to.

infertility disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Infertility

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Reproductive Medicine Associates of New Jersey

    RECRUITING

    Marlton, New Jersey, 08053, United States

    Contact Email: •••••@•••••

    Contact Email: •••••@•••••

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